Ahmet Sina Ustem

Developed and maintained 2 iOS stealth transportation apps, contributing to analysis, design, and bug fixes within a 5-person team. Expert in CI/CD workflows, Fastlane pipelines, GitHub Actions, and app distribution via TestFlight. Key contributor in an 11-person team for a top-tier iOS Fintech app, leveraging CocoaPods and modular MVVM architecture. Participated in code reviews to uphold quality standards and foster collaboration.

- Worked on the Rapsodo MLM app that is used by more than 10K users who are Golf players. - Created 2 new core features, built frameworks (with SPM or CocoaPods), and restructured architecture (from MVC to MVVM) with 7 iOS Developers for the app. - Improved CI/CD processes with Git tagging and Bitrise flow for releases instead of Jenkins, reducing release duration and flow steps by more than %100.

Developing and bug fixing multiple projects that have various purposes (like Radyoburada, Lingusta, Stepay, DoctorFollow, etc.) at the same time to the company’s various customers. * Building and updating architectures, features, and frameworks. * Creating reusable UI components and layouts. Creating projects own API layer with Moya. Using mostly MVVM architecture. * Creating and using CI/CD flow with Bitrise

I have developed and maintained iOS and Android apps that contain various frameworks and libraries for local newspaper companies such as GencGazete, InegolOnline. Apps published on the App Store and Play Store.

I have worked on a clients' application named NetworkDry App. I earned experience in AutoLayout and Networking.